[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 100108
SWOMCD
SPC MCD 100107
TNZ000-ARZ000-100230-

MESOSCALE DISCUSSION 1810
NWS STORM PREDICTION CENTER NORMAN OK
0807 PM CDT THU SEP 09 2010

AREAS AFFECTED...ERN MT...WRN ND...WRN SD

CONCERNING...SEVERE THUNDERSTORM WATCH 650...651...

VALID 100107Z - 100230Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
650...651...CONTINUES.

TWO VERY STRONG SUPERCELLS CONTINUE TO PRODUCE LARGE HAIL ACROSS
SWRN ND...BUT THE ERN ONE HAS SHOWN SIGNS OF WEAKENING RECENTLY AS
IT MOVES INTO A HIGHER CIN ENVIRONMENT. THE 00Z BIS SOUNDING SHOWED
SUBSTANTIAL CAPPING WITH COOL BOUNDARY LAYER TEMPS IN THE 60S F.
WHILE MORE UNSTABLE AIR EXISTS S OF THE WARM FRONT...THESE LEAD
CELLS MAY CONTINUE TO DIMINISH AS THEY MOVE INTO A COOLER AIR MASS.

TO W...THE AIR MASS BEHIND THE PRIMARY COLD FRONT IS STABILIZING
WITH LITTLE SEVERE THREAT LEFT.

THE PRIMARY AREA OF INTEREST MAY BE SHIFTING SWD INTO WRN SD...AS
WELL AS INTO WRN NEB WHERE NEW CONVECTION CONTINUES TO REFORM ALONG
THE DRYLINE. STRONG FORCING WILL PERSIST NEAR THE SURFACE TROUGH AS
IT SHIFTS EWD WITH TIME. DAMAGING WINDS AND HAIL WILL BE THE PRIMARY
SEVERE THREATS...MAINLY PRIOR TO THE 06Z TIME PERIOD BEFORE CIN
BECOMES TOO STRONG.

..JEWELL.. 09/10/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MEG...LZK...

LAT...LON   34919172 35329309 35809317 36199220 36089122 35899032
            35868939 35578917 35158960 35009052 34919172


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